======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '176'
                                          'artist'  'Wiener Staatsopern Orchester'
                                     'text_people'  ''
                                         'release'  'Philips P 10300 R'
                                           'title'  'Accelerationen (Strauss)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1953'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '131.243'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'Philips P 10300 R'
'TBPM' (BPM (beats per minute))                     '131.243'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1953'
'TIT2' (Title/songname/content description)         'Accelerationen (Strauss)'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Wiener Staatsopern Orchester'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.25 dB'
'TXXX:replaygain_track_peak'                        '0.479588'

========================== row from database ==========================
                                              'id'  1434269
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1953/Wiener Staatsopern Orchester - Accelerationen (Strauss) 1953.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  176
                                           'genre'  prerock-band
                                        'filesize'  3540886
                                           'mtime'  1620561314
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1953 1953 prerock band
                                      'tag_artist'  Wiener Staatsopern Orchester
                                     'tag_release'  Philips P 10300 R
                                       'tag_title'  Accelerationen (Strauss)
                                             'bpm'  131.243
                                    'search_title'  'accelerationen':1 'strauss':2,3
                                   'search_artist'  'orchester':3 'staatsopern':2 'wiener':1
                                  'search_release'  '10300':3 'p':2 'philips':1 'r':4
                                     'search_rest'  '00oldiepop':5 '1953':6 'band':8 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7
                                    'search_combo'  '00oldiepop':15 '10300':9C '1953':16 'accelerationen':1A 'band':18 'country':14 'exotica':12 'jazz':11 'oldies':13 'orchester':6B 'p':8C 'philips':7C 'prerock':17 'r':10C 'staatsopern':5B 'strauss':2A,3A 'wiener':4B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1953
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561313.5013988  (2021-05-09 13:55:13)
                             'size'  3540886